PL398228A1 - Method for extracting compressed gaseous hydrocarbons and storage of CO ₂ in horizontal drillings - Google Patents

Method for extracting compressed gaseous hydrocarbons and storage of CO ₂ in horizontal drillings

Info

Publication number
PL398228A1
PL398228A1 PL398228A PL39822812A PL398228A1 PL 398228 A1 PL398228 A1 PL 398228A1 PL 398228 A PL398228 A PL 398228A PL 39822812 A PL39822812 A PL 39822812A PL 398228 A1 PL398228 A1 PL 398228A1
Authority
PL
Poland
Prior art keywords
gas
boreholes
slate
wells
shale
Prior art date
Application number
PL398228A
Other languages
Polish (pl)
Other versions
PL222247B1 (en
Inventor
Tadeusz Niezgoda
Danuta Miedzińska
Roman Gieleta
Grzegorz Sławiński
Agnieszka Derewońko
Andrzej Morka
Original Assignee
Wojskowa Akademia Techniczna
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Wojskowa Akademia Techniczna filed Critical Wojskowa Akademia Techniczna
Priority to PL398228A priority Critical patent/PL222247B1/en
Priority to EP13461507.9A priority patent/EP2631422A3/en
Publication of PL398228A1 publication Critical patent/PL398228A1/en
Publication of PL222247B1 publication Critical patent/PL222247B1/en

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/25—Methods for stimulating production
    • E21B43/26—Methods for stimulating production by forming crevices or fractures
    • E21B43/2605—Methods for stimulating production by forming crevices or fractures using gas or liquefied gas
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B41/00—Equipment or details not covered by groups E21B15/00 - E21B40/00
    • E21B41/0035—Apparatus or methods for multilateral well technology, e.g. for the completion of or workover on wells with one or more lateral branches
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B41/00—Equipment or details not covered by groups E21B15/00 - E21B40/00
    • E21B41/005—Waste disposal systems
    • E21B41/0057—Disposal of a fluid by injection into a subterranean formation
    • E21B41/0064—Carbon dioxide sequestration
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/006—Production of coal-bed methane
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/16—Enhanced recovery methods for obtaining hydrocarbons
    • E21B43/164—Injecting CO2 or carbonated water
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/30—Specific pattern of wells, e.g. optimizing the spacing of wells
    • E21B43/305—Specific pattern of wells, e.g. optimizing the spacing of wells comprising at least one inclined or horizontal well
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02C—CAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
    • Y02C20/00—Capture or disposal of greenhouse gases
    • Y02C20/40—Capture or disposal of greenhouse gases of CO2
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
    • Y02P90/70—Combining sequestration of CO2 and exploitation of hydrocarbons by injecting CO2 or carbonated water in oil wells

Abstract

Przedmiotem wynalazku jest sposób sprzezonego wydobycia weglowodorów gazowych (np. gazu lupkowego) i w ich miejscu magazynowania CO2 lub innego gazu ciezszego od CH4 z poziomych odwiertów malosrednicowych wykonanych w pojedynczym odwiercie pionowym. Istota wynalazku polega na tym, ze najpierw zostaje odpowiednio przygotowany odwiert pionowy (1) w zlozu lupka gazowego (2) znajdujacego sie pomiedzy pokladami litej skaly (3). Z odwiertu pionowego (1) sa wyprowadzone promieniowo na obwodzie odwiertu glównego, malosrednicowe odwierty (4b, 4c) na kilku poziomach. Lupek w odwiertach umieszczonych na jednym z poziomów moze byc wstepnie perforowany (5) (rozkruszony) przy uzyciu róznych technik niszczenia skal. W nastepnym etapie boczne odwierty (4b, 4c) zostaja zamkniete, przy uzyciu czopów lub mini zaworów sterowanych z powierzchni. Z powierzchni poprzez odwiert glówny (1) wprowadza sie elastyczne lub pólelastyczne rury (w ilosci odpowiadajacej ilosci niezaczopowanych odwiertów bocznych) o malej srednicy, które sa izolowane lub wykonane z materialu wysoko izolacyjnego, badz tez wymagaja wstepnego schlodzenia. Rury zostaja wprowadzone do odwiertów bocznych. Nastepnie przez nie zostaje wprowadzony do zloza lupka gazonosnego (2) za pomoca pompy kriogenicznej ciekly sprezony i schlodzony CO2. Podczas podawania CO2 rury sa stopniowo wyciagane z odwiertów bocznych w celu dokladnego wypelnienia wszystkich szczelin na calej dlugosci tego odwiertu. Proces podawania CO2 konczy sie w momencie calkowitego wyciagniecia rury z odwiertu bocznego. Caly proces podawania CO2 wymaga stalej kontroli temperatury i cisnienia w odwiertach (1) i, co powoduje koniecznosc umieszczenia w nich zestawów odpowiednich czujników. Po zakonczeniu tego etapu odwierty równiez zostaja zamkniete czopem lub mini zaworem sterowanym z powierzchni (6a) (co powoduje powstanie konstrukcji samonosnej). W zlozu lupka (2) rozpoczyna sie proces rozprezania CO2 oraz jego przemiany fazowej pod wplywem panujacej w zlozu temperatury, co powoduje intensywne spekanie lupka, absorpcje CO2 i jednoczesna desorpcje gazu lupkowego. Proces ten trwa zwykle okolo 2 tygodni. Wstepna perforacja, która moze byc dokonana w bocznych odwiertach, do których wprowadza sie CO2, pozwala na zintensyfikowanie i rozszerzenie tworzacych sie spekan. Przy zamknietych ujsciach odwiertów bocznych zostaja umieszczone w zlozu czujniki cisnienia, które pozwalaja na kontrole procesów zachodzacych w lupku. Powstale w zlozu lupka gazonosnego (2) pekniecia (5a) umozliwiaja uwolnienie gazu lupkowego wypchnietego przez ciezszy CO2.Odwierty boczne (4b, 4c) zostaja otwarte i uwolniony gaz, bedacy pod wysokim cisnieniem wydobywa sie na powierzchnie poprzez odwiert pionowy (1). Proces odzysku gazu z odwiertu moze zachodzic samoistnie lub byc prowadzony podcisnieniowo. Prezentowany sposób wydobycia weglowodorów gazowych jest o wiele bardziej korzystny z punktu widzenia ochrony srodowiska. Sposób nie wymaga stosowania duzyThe subject of the invention is a method for the combined extraction of gaseous hydrocarbons (e.g. shale gas) and in their place of storing CO2 or other gas heavier than CH4 from horizontal small-diameter wells drilled in a single vertical well. The essence of the invention consists in the fact that first a vertical borehole (1) is properly prepared in the gas shale bed (2) located between the solid rock decks (3). From the vertical bore (1), there are led out radially on the perimeter of the main bore, small-diameter boreholes (4b, 4c) on several levels. The slate in the boreholes located at one of the levels may be pre-perforated (5) (crushed) using various rock-breaking techniques. In the next step, the side boreholes (4b, 4c) are closed using plugs or mini valves controlled from the surface. Flexible or semi-flexible pipes (corresponding to the number of unburied side boreholes) of small diameter are introduced from the surface through the main bore (1), which are insulated or made of highly insulating material, or require pre-cooling. The pipes are inserted into the side wells. Then, through it, liquid compressed and cooled CO2 is introduced into the gas-bearing slate bed (2) by means of a cryogenic pump. Pipes are gradually pulled out of the side wells during CO2 delivery to completely fill all gaps along the length of the side well. The CO2 feeding process ends when the pipe is fully withdrawn from the side bore. The whole process of CO2 feeding requires constant control of temperature and pressure in the boreholes (1) and, therefore, the necessity to place appropriate sensor sets in them. Upon completion of this stage, the boreholes are also closed with a plug or mini valve controlled from the surface (6a) (which creates a self-supporting structure). In the slate deposit (2), the process of CO2 expansion and its phase change under the influence of the temperature prevailing in the bed begins, which causes intensive cracking of the slate, CO2 absorption and simultaneous desorption of the shale gas. This process usually takes about 2 weeks. The initial perforation, which can be made in the side CO2-injected wells, allows for the intensification and expansion of the cracking formation. When the outlets of the side wells are closed, pressure sensors are placed in the bed, which allow the control of the processes taking place in the slate. The fractures (5a) formed in the gas-bearing shale deposit (2) allow the shale gas to be released and pushed out by the heavier CO2. The side boreholes (4b, 4c) are opened and the gas is released under high pressure through a vertical borehole (1). The process of gas recovery from the well may be self-limiting or be carried out under pressure. The presented method of extracting gaseous hydrocarbons is much more favorable from the point of view of environmental protection. The method does not require the use of much

PL398228A 2012-02-24 2012-02-24 Method for extracting compressed gaseous hydrocarbons and storage of CO ₂ in horizontal drillings PL222247B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PL398228A PL222247B1 (en) 2012-02-24 2012-02-24 Method for extracting compressed gaseous hydrocarbons and storage of CO ₂ in horizontal drillings
EP13461507.9A EP2631422A3 (en) 2012-02-24 2013-02-25 Method of conjugated hydrocarbon gas extraction and storage CO2 in horizontal wellbores

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL398228A PL222247B1 (en) 2012-02-24 2012-02-24 Method for extracting compressed gaseous hydrocarbons and storage of CO ₂ in horizontal drillings

Publications (2)

Publication Number Publication Date
PL398228A1 true PL398228A1 (en) 2013-09-02
PL222247B1 PL222247B1 (en) 2016-07-29

Family

ID=48047952

Family Applications (1)

Application Number Title Priority Date Filing Date
PL398228A PL222247B1 (en) 2012-02-24 2012-02-24 Method for extracting compressed gaseous hydrocarbons and storage of CO ₂ in horizontal drillings

Country Status (2)

Country Link
EP (1) EP2631422A3 (en)
PL (1) PL222247B1 (en)

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Also Published As

Publication number Publication date
PL222247B1 (en) 2016-07-29
EP2631422A2 (en) 2013-08-28
EP2631422A3 (en) 2015-10-07

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